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Dependency ratio
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Measure of economic impact of the young and old on more economically productive members of the population
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The twentieth century's great growth in world population is due to a phenomenal decline in ________ rates.
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Death
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Define demography
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The study of population characteristics
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The most widely used tool to assess the size, distribution and characteristics of a population are ________?
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Censuses
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Why are inaccuracies in U.S. censuses a big deal?
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Federal funding, congressional seats
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A population density map of the world shows that the distribution of people's is most obviously affected by environmental factors such as what 4 things?
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Water availability
natural resources
climate and topography
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To a demographer, a group of people that begin something at the same time is known as ________?
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Cohort (group of people i.e. all kids or all aged 55)
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As the Baby Boom ages and the elderly cohorts get larget, the dependency ratio in the U.S. will increase or decrease?
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Increase
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In Sub-Saharan African countries hit hard by HIV/AIDS, ________ ________ have dropped the most sharply.
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Life expectancy
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A Texas that moved to Canada ________ from Texas and ________ to Canada
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Emmgrates (out, leave), immigrate (in)
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List typical examples of push factors.
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War and social conflict
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In the U.S., there have been numerous waves of internal voluntary migration. These include, ________ and ________ changes and western expansion of ________.
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Economic, social, frontier
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Writing on the eve of the Industrial Revolution, Thomas Malthus argued that population growth would exceed the ability of people to _________ themselves.
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Feed
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Most international population policies at the end of the 20th century have emphasized ________ birth rates.
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Reduced
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The diffusion of HIV/AIDS in sub-Saharan Afirca has been most prominent along ________ routes.
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Transportation
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